JPH0613123Y2 - Mobile shelf moving mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a moving mechanism for a moving shelf, and more specifically, to a moving rack main body supporting a grounding wheel having a grounding portion having a circular outer peripheral surface. The present invention relates to a moving mechanism for a moving shelf that travels along a guide rail.

(Prior Art) Conventionally, a moving mechanism of this type of moving rack is, for example, Jpn.
As disclosed in Japanese Laid-Open Patent No. 11565, using a grounding wheel having a flange at the center of a cylindrical grounding part and a guide rail having a running part having a groove for guiding the flange, the guide rail is used as an article. It is known that the forklift is laid in the floor so that the forklift can smoothly pass over the rails when moving in and out so that no step is formed between the floor surface and the guide rails.

(Problems to be Solved by the Invention) However, in the above-described conventional moving mechanism, since a groove is provided in the traveling portion of the guide rail, there is a problem that dust and dirt fall into the groove. Since it is very difficult to remove dust and dirt that have fallen into the groove, there is a problem that dust and dirt are stored in the groove and adversely affect the traveling of the movable shelf.

When the moving mechanism is installed in a freezer and used,
There has been a problem that water enters the premises of the guide rails, the water stored in the premises condenses, and the grounding wheels of the movable shelves are frozen to the guide rails, so that the movable shelves cannot be moved.

The present invention has been made in view of the above problems, and the purpose thereof is to improve the shape of the grounding wheel and the guide rail so that the moving shelf can be moved along the guide rail while being able to move along the guide rail. A moving rack moving mechanism capable of smoothly overcoming a forklift or the like with less shock and easily cleaning the guide rail, and eliminating the accumulation of dust, dirt, or water in the guide rail. To provide.

(Means for Solving the Problems) In the present invention, however, the earthing wheel (2) having the earthing portion (21) having a circular outer peripheral surface is supported on the movable shelf body (1), and the earthing wheel (2) is provided. ) On the guide rail (3), the moving mechanism of the movable shelf is such that the rising step (2) is provided on at least one side of the grounding part (21) of the grounding wheel (2).
The guide rail (3) is grounded while forming a collar portion (24) having an inclined surface (23) inclined outward in the radial direction from the step portion (22) via the step (2). Department (2
A running part (3) having a flat running surface (31) with which the (1) contacts
0) and a guide having an inclined surface (33) which coincides with the inclined surface (23) of the flange portion (24) at least on one side in the width direction of the running portion (30) via a step (32). Division (3
4) and is composed of.

(Operation) With the above configuration, when the movable rack is moved along the guide rail (3), the inclined surface (2) of the flange (24) is moved.
3) contact of the guide rail (3) with the inclined surface (33) and contact of the rising step (22) of the grounding wheel (2) with the drop step (32) of the guide rail (3). By contact, the guide rail (3) to the ground wheel (2)
The movable rack body (1) can be moved along the guide rails (3) without falling off, and when the forklift passes over the guide rails (3), the wheels of the forklift are From the vehicle to the inclined surface (33) of the guide rail (3), and then from the inclined surface (33) to the traveling surface (30), the rolling resistance of the wheel at the time of passing over the guide rail is suppressed to a small level. It allows the forklift to pass smoothly with less shock.

Further, since the guide rail (3) is not formed with a groove, it is easy to clean the rail (3) portion, and it is possible to eliminate the problem that dust, dirt, water or the like is accumulated.

(Embodiment) The drawing shows a moving mechanism of a moving shelf according to the present invention. In FIG. 2, (1) is a moving shelf main body having a plurality of shelves (11), and is provided at the bottom of the main body (1). Is equipped with a plurality of ground wheels (2).

The grounding wheel (2) has rising step portions (22) (2) on both sides of a grounding portion (21) having a circular outer peripheral surface as shown in FIG.
Collars (24) and (24) having slanted surfaces (23) and (23) which are inclined outward in the radial direction from the step (22) via the step (2) are integrally formed.

(3) is a guide rail that extends in the front-rear direction of the movable shelf body (1), and the guide rail (3) is the grounding portion (21).
A running part (30) having a flat running surface (31) in contact with
And the stepped portion (3) on both sides of the running portion (30) in the width direction.
2) and a guide portion (34) having an inclined surface (33) matching the inclined surface (23) of the collar portion (24).

Specifically, as shown in FIG. 3, for example, when the diameter (D) of the wheel (4) of the forklift (not shown) is set to 150 mm which is generally used, the forklift smoothly moves on the guide rail (3). The inclination angle (θ) of the inclined surface (33) of the guide rail (3) for overcoming the vehicle and guiding the movable shelf is set to 10 to 17 °, and reaches the lower end of the drop step (33). Horizontal length (l) of 30 to 5
It is set to about 0 mm.

As shown in FIG. 1, the guide rail (3) is embedded in the floor so that the running surface (31), the depression steps (32) (32) and the inclined surfaces (33) (33) are exposed. It is.

The present invention is configured as described above, and when the movable rack is moved along the guide rail (3) via the grounding wheel (2), the collar portion (2) of the installation wheel (2) is moved.
4) inclined surface (23) of guide rail (3) inclined surface (3)
3) and contact with the falling step (32) of the rising step (22) of the ground wheel (2) causes the ground wheel (2) to move from the guide rail (3). The movable rack can be moved along the guide rail (3) while preventing the wheels from being derailed.

Further, since articles are put in and out of the shelf (11) of the movable shelf body (1) by using the forklift, when the forklift passes through the guide rail (3), it is as shown in FIGS. 3 and 4. As shown, the wheel (4) of the forklift temporarily transfers from the floor surface to the one-side inclined surface (33) of the guide rail (3), then transfers from the inclined surface (33) onto the traveling surface (31), and thereafter, It descends from the traveling surface (31) to the other inclined surface (32), and descends from the inclined surface (33) to the floor surface.

At this time, as shown in FIG. 3, when the wheel (4) is about to transfer from the floor surface to the inclined surface (33) or when it is about to get off, the vertical line and the inclination from the wheel center (0) to the floor surface. The angle (α ₁ ) with the perpendicular to the surface (33) is equal to that of the wheel (4) on the guide rail (3a) having no inclined guide portion shown in FIG.
Is smaller than the angle (α ₀ ) between the vertical line from the wheel center (0) to the floor surface and the vertical line to the end of the running surface (31a) when trying to get on and off, and As shown in FIG. 4, a perpendicular line from the wheel center (0) to the inclined surface (33) when the wheel (4) is about to transfer or descend from the inclined surface (33) to the traveling surface (31). The angle (α ₂ ) with the perpendicular to the end of the running surface (31) should also be kept small compared to the riding angle (α ₀ ) in the case of the guide rail (3a) having no inclined guide portion. As a result, it is possible to reduce rolling resistance when the wheel (4) passes over the guide rail and to pass the forklift smoothly with less shock.
It is possible to prevent the articles loaded on the forklift from falling due to a shock when passing through the guide rail (3). Moreover, since the guide rail (3) is not provided with a groove, it is easy to clean the guide rail (3) portion, and it is possible to eliminate the problem that dust, dirt, water or the like accumulates. Of. As a result, the moving rack can be smoothly moved, and even if the moving mechanism is installed in the freezer, the moving rack can be used without being immobilized due to freezing.

In the above embodiment, the three guide rails (3) (3)
(3) was used, but one or more guide rails (3)
And a traveling rail (3 having a flat traveling surface (31a)
You may use it in combination with a). In this case, for example, as shown by the phantom line in FIG. 2, the traveling rail (3a) is arranged between the guide rails (3) (3) provided on both sides of the movable shelf body (1), and the traveling rail (3a) is The running surface (31
While being buried so that only a) is exposed, a traveling ground wheel (2a) having only a circular outer peripheral ground contact portion (21a) is provided in the lower part of the movable rack body (1).

Further, FIG. 6 shows another embodiment of the ground wheel (2) and the guide rail (3). Among the ground wheels provided on the movable shelf body (1), there are two on the outside of the shelf body (1). The grounding wheel (2) located is configured such that a rising step (22) and a flange (24) having an inclined surface (23) are formed only on the outside of the grounding part (21), while the guide rail (3) is formed. ) Is formed by forming a guide portion (34) having a stepped portion (32) and an inclined surface (33) only outside the width main body of the running portion (30).

When the guide rail (3) is embedded in the floor, the floor between the traveling portions (30) and (30) of both rails (3) is embedded to the traveling surface height as shown in FIG. Surface (31), drop step (32) and inclined surface (33)
Is embedded so that the ground is exposed, and when the intermediate ground ring and the intermediate rail are provided in the intermediate portion of the ground wheels (2) and (2), only the ground portion (21a) having a circular outer peripheral surface is provided. Running ground wheel (2a) and the grounding portion (21a)
Using a traveling rail (3a) provided with a traveling portion (30a) having only a flat traveling surface (31a) in contact with the traveling rail (3a), the traveling surface of the guide rails (3) and (3) is used. The floor is buried up to the height so that only the running surface (31a) is exposed.

With this configuration, the same effects as those of the above-described embodiment can be obtained, and all the guide rails (3) (3a) (3) can be obtained.
It is possible to reduce the number of vertical movements of the forklift truck when traversing.

(Effects of the Invention) As described above, the present invention has at least one side of the grounding part (21) of the grounding wheel (2) supported by the movable shelf body (1) via the rising step (22) to the step (22). 22) forms a flange portion (24) having an inclined surface (23) which is inclined outward in the radial direction from the outer side of the guide rail (22), while the guide rail (3) is flat with the ground contact portion (21) in contact therewith. A traveling portion (30) having a traveling surface (31), and the collar portion (2) through at least one side in the width direction of the traveling portion (30) via a step (32).
4) is composed of the inclined surface (23) and the guide portion (34) having the inclined surface (33) which coincides with the inclined surface (23). Therefore, the movable shelf main body (1) is guided along the guide rail (3). In addition to being able to move the guide rail (3), the forklift can smoothly move over the guide rail (3) with less shock, and the guide rail (3) can be easily cleaned and the guide rail (3) can be easily cleaned. The moving shelves can be run smoothly by eliminating the accumulation of dust, dirt, or water in the moving shelves, and even if a moving mechanism is installed in the freezer, the moving shelves cannot be moved. It can be used without any.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of an essential part showing an embodiment of a moving mechanism of a moving rack according to the present invention, FIG. 2 is a front view showing the entire moving rack, and FIG. 3 is a wheel of a forklift from a floor to a guide rail. 4 is an explanatory view showing a state in which the wheels of the forklift are transferred from the inclined surface of the guide rail onto the traveling surface, and FIG. 5 is a view showing a guide rail having no inclined guide portion. FIG. 6 is an explanatory view showing a state in which the wheels of the forklift pass over, and FIG. 6 is an explanatory view showing another embodiment of the grounding wheel and the guide rail. (1) …… Movable shelf body (2) …… Grounding wheel (3) …… Guide rail (21) …… Grounding section (22) …… Rising section (23) …… Sloping surface (24) …… Crim section (30) …… Running part (31) …… Running surface (32) …… Drop step (33) …… Inclined surface (34) …… Guide part

Claims (1)

[Scope of utility model registration request] 1. A grounding wheel (2) having a grounding portion (21) having a circular outer peripheral surface is supported on a movable shelf body (1), and the grounding wheel (2) is guided along a guide rail (3). In the moving mechanism of the movable rack to be traveled in the radial direction from the step (22) to the outside through the rising step (22) on at least one side of the ground (21) in the earth wheel (2). While forming a flange (24) having an inclined surface (23) which inclines outward, a traveling portion (31) having a flat traveling surface (31) with which the guide rail (3) contacts the ground contact portion (21). 30),
The inclined surface (23) of the flange (24) is provided at least on one side in the width direction of the running portion (30) via the step (32).
And a guide part (34) having an inclined surface (33) that matches with.